[openwrt/openwrt] toolchain/binutils: get rid of ARC leftovers

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/1f1d1ff918748eacf32b1b6073094bb4f3e9e669

commit 1f1d1ff918748eacf32b1b6073094bb4f3e9e669
Author: Andre Heider <a.heider at gmail.com>
AuthorDate: Wed Feb 8 18:04:25 2023 +0100

    toolchain/binutils: get rid of ARC leftovers
    
    In [0] support for ARC specific binutils were added, which was later removed
    again [Fixes:].
    
    Upstream binutils never had an extlib.
    
    [0] 8b5d644b "toolchain: add support of ARC architecture"
    
    Fixes: 8568dcd9 "toolchain: Remove binutils 2.29 for ARC targets"
    Signed-off-by: Andre Heider <a.heider at gmail.com>
---
 toolchain/binutils/Makefile | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/toolchain/binutils/Makefile b/toolchain/binutils/Makefile
index af670f5646..0b7558e358 100644
--- a/toolchain/binutils/Makefile
+++ b/toolchain/binutils/Makefile
@@ -102,12 +102,6 @@ define Host/Install
 	$(call FixupLibdir,$(TOOLCHAIN_DIR)/initial)
 	$(RM) $(TOOLCHAIN_DIR)/initial/lib/libiberty.a
 	$(CP) $(TOOLCHAIN_DIR)/bin/$(REAL_GNU_TARGET_NAME)-readelf $(HOST_BUILD_PREFIX)/bin/readelf
-	# ARC gcc requires extlib.
-	# If extlib is not available in "initial" folder
-	# initial gcc will fail to build libc.
-	if [ -d $(TOOLCHAIN_DIR)/extlib ]; then \
-		$(CP) -r $(TOOLCHAIN_DIR)/extlib $(TOOLCHAIN_DIR)/initial/; \
-	fi
 endef
 
 define Host/Clean